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rpi-fw-crypto: Set exit status to the firmware error code #185

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rpi-fw-crypto: Set exit status to the firmware error code #185

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readme: Describe -DCMAKE_INSTALL_PREFIX
timg236 May 22, 2026
ac2a637
rpifwcrypto: Set exit status to firmware error code
timg236 May 22, 2026
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2 changes: 1 addition & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,6 @@ A collection of scripts and simple applications
Install the prerequisites with "sudo apt install cmake device-tree-compiler libncurses-dev libfdt-dev libgnutls28-dev" - you need at least version 3.10 of cmake. Run the following commands to build and install everything, or see the README files in the subdirectories to just build utilities individually:

- *cmake .*
N.B. Use *cmake -DBUILD_SHARED_LIBS=1 .* to build the libraries in the subprojects (libdtovl, gpiolib and piolib) as shared (as opposed to static) libraries.
N.B. Use *cmake -DBUILD_SHARED_LIBS=1 .* to build the libraries in the subprojects (libdtovl, gpiolib and piolib) as shared (as opposed to static) libraries. Add -DCMAKE_INSTALL_PREFIX=/usr to override the default install path of /usr/local.
- *make*
- *sudo make install*
3 changes: 3 additions & 0 deletions rpifwcrypto/main.c
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Expand Up @@ -516,6 +516,9 @@ int main(int argc, char *argv[])
// Check the firmware crypto error status. If set, display the human readable string.
last_err = rpi_fw_crypto_get_last_error();
if (last_err != RPI_FW_CRYPTO_SUCCESS)
{
fprintf(stderr, "Last crypto error: %d (%s)\n", last_err, rpi_fw_crypto_strerror(last_err));
rc = -last_err;
}
return rc;
}